Finding the Fourth Proportional to 1,899,431.97, 2,621,215.65 and 1,039,992
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Solution
The fourth proportional to 1,899,431.97, 2,621,215.65 and 1,039,992 is: 1,435,188.70
Step by Step Solution
- Step 1: Write the proportion equation
1,899,431.97 : 2,621,215.65 = 1,039,992 : x - Step 2: Convert to fraction form
1,899,431.97/2,621,215.65 = 1,039,992/x - Step 3: Cross multiply
1,899,431.97x = 2,621,215.65 × 1,039,992 - Step 4: Simplify right side
1,899,431.97x = 2,726,043,306,274.80 - Step 5: Solve for x
x = 2,726,043,306,274.80/1,899,431.97 - Step 6: Final answer
x = 1,435,188.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.